APA (7th ed.) Citation

Lowry, L., & De Groat, D. (1982). Anastasia at your service. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Lowry, Lois, and Diane De Groat. Anastasia at Your Service. Boston: Houghton Mifflin, 1982.

MLA (9th ed.) Citation

Lowry, Lois, and Diane De Groat. Anastasia at Your Service. Houghton Mifflin, 1982.